/* 头部 */
.head{
    background-color: black;
}
.head-all{
    position: relative;
    z-index: 10;
}
.head-nav ul{
    position: absolute;
    top: -12px;
}

/* banner */
.banner{
    height: 290px;
    background-color: rgb(0, 0, 0,.88);
    color: #fff;
    position: relative;
}
canvas{
    height: 356px;
    width: 100%;
    z-index: 1 !important;
    position: absolute !important;
    top: 0;
    left: 0;
}
.banner-title{
    text-align: center;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    z-index: 10;
}

/* content */
.content-first{
    background-color: #f8f8f8;
}
.content{
    box-sizing: border-box;
    padding:  35px 0 62px;
}
.content-list{
    position: relative;
}
.content-list h2::after{
    content: '';
    width: 14px;
    height: 2px;
    background-color: #1271ef;
    position: absolute;
    left: 0px;
    top: 28px;
}
.content-li li{
    width: 360px;
    /* height: 340px; */
    border: 2px solid #eee;
    float: left;
    margin-right: 40px;
    margin-bottom: 22px;
    box-sizing: border-box;
    padding: 10px;
    position: relative;
}
.content-li li .content-link{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.content-li li img{
    width: 334px;
}
.content-li li:last-child{
    margin-right: 0;
}
.content-lue{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    overflow: hidden;
}
.content-logo li{
    height: 130px;
    width: 373px;
    background-color: #fff;
    margin-right: 20px;
    margin-bottom: 20px;
    float: left;
    position: relative;
}
.content-logo li:last-child{
    margin-right: 0;
}
.content-logo li img{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}

/* 固定定位 */
.checkpsn{
    position: absolute;
    top: 400px;
    left: 50%;
    margin-left: 625px;
}
.checkpsn li{
    margin-bottom: 26px;
    font-size: 15px;
    position: relative;
    cursor: pointer;
    user-select: none;
}
.checkpsn li a{
    color: #181818;
}
.checkpsn .active::before{
    content: '';
    width: 8px;
    height: 2px;
    background-color: #1271ef;
    position: absolute;
    left: -15px;
    top: 50%;
}
.abpsn{
    position: fixed;
    top: 20px;
}